[R] dataimport: changes
- deprecate checkpoint() in favour of commit()
- filter on None value in mk_entity
- rearrange log messages order
from logilab.common.deprecation import class_renamed, class_moved
from cubicweb.server import hook
SystemHook = class_renamed('SystemHook', hook.Hook)
PropagateSubjectRelationHook = class_renamed('PropagateSubjectRelationHook',
hook.PropagateSubjectRelationHook)
PropagateSubjectRelationAddHook = class_renamed('PropagateSubjectRelationAddHook',
hook.PropagateSubjectRelationAddHook)
PropagateSubjectRelationDelHook = class_renamed('PropagateSubjectRelationDelHook',
hook.PropagateSubjectRelationDelHook)
Hook = class_moved(hook.Hook)